Water Repellent Lens
Le lenti sono sottoposte ad un trattamento per una visibilità
perfetta anche in condizioni di pioggia o bagnato.
The lenses undergo a treatment for a perfect visibility even
when it is raining or they get wet.

The particular ergonomic shape ensures that sunglasses
totally and perfectly adhere to the nose.

Polycarbonate offers first-rate optical features, excellent
impact resistance and extraordinary lightness. It has a
low refraction index and does not let ultraviolet rays filter
through. All polycarbonate lenses are subjected to surface
hardening treatments that make them resistant to abrasions
and solvents.

The lenses undergo a treatment to make their surface particularly
smooth. Drops of water slide off the lens, leaving the surface
practically dry and free from the water prisms that cause
distorted vision. Perfect visibility even when it is raining or
the lenses are wet.

WITHOUT TREATMENT

The accentuated curvature ensures total eye protection from
potentially harmful external factors, such as the sun’s rays or
insects, but it may distort the field of vision. This is why all
Northwave sunglasses have lenses with an off-centre base:
the axis of the focal centre is perfectly aligned with the focal
centre of the eyes, so the correct and natural balance of the
line of vision is restored. This design feature prevents image
distortion and eye fatigue.

Polarizing lenses effectively block out reflected light, so they
prevent any image distortion. They also considerably reduce or
totally eliminate reflected glare, which is mainly responsible
for this problem.

The Smoke lens is particularly suited to situations of good
visibility (a moderately sunny day or a winter day) since they
transmit 22% of the light. This type of lens does not alter
color perception, and at the same time ensures enormous
comfort.